Line data    Source code

       1              : #pragma once
       2              : 
       3              : #include <QWidget>
       4              : 
       5              : // ShortcutHelpOverlay displays a semi-transparent overlay showing all
       6              : // available keyboard shortcuts, organized by category.
       7              : // Closes on any key press or mouse click.  Scrollable via mouse wheel.
       8              : class ShortcutHelpOverlay : public QWidget {
       9          385 :   Q_OBJECT
      10              : 
      11              : public:
      12              :   explicit ShortcutHelpOverlay(QWidget *parent = nullptr);
      13              : 
      14              :   // Show the overlay centered on the parent widget.
      15              :   void showOverlay();
      16              : 
      17              : protected:
      18              :   void paintEvent(QPaintEvent *event) override;
      19              :   void keyPressEvent(QKeyEvent *event) override;
      20              :   void mousePressEvent(QMouseEvent *event) override;
      21              :   void wheelEvent(QWheelEvent *event) override;
      22              :   bool eventFilter(QObject *obj, QEvent *event) override;
      23              :   void changeEvent(QEvent *event) override;
      24              : 
      25              : private:
      26              :   void retranslateUi();
      27              : 
      28              :   int m_scrollOffset = 0;  // pixels scrolled (positive = scrolled down)
      29              :   int m_contentHeight = 0; // total height of shortcut content
      30              : };